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Table 3 Means and standard deviation of ΔL*, Δa*, Δb*, ΔE, and t test results of the groups

From: Impact of nanohydroxyapatite on enamel surface roughness and color change after orthodontic debonding

  ΔL* Δa* Δb* ΔE
NanoHAP 0.93 ± 1.03 0.84 ± 1.71 3.17 ± 1.69 3.94 ± 1.63
Toothpaste 1.40 ± 1.35 0.30 ± 0.94 4.39 ± 1.11 4.91 ± 0.99
P value* 0.29 0.03 0.02 0.06
  1. *t test results